The spelling of the word "dopinesses" is quite tricky as it includes both double consonants and multiple suffixes. According to the IPA phonetic transcription, the word is pronounced as /doʊpiːnɛsɪz/. It begins with the /d/ sound, followed by the /oʊ/ diphthong, and then two consecutive /p/ sounds. The suffixes '-iness' and '-es' are added to create the plural form of the noun 'dopiness.' While it may seem challenging to spell, with a little practice, it can be mastered.